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if($_POST['keks_plus'] != "")
$_SESSION['keks']++;
if($_POST['keks_minus'] != "" && $_SESSION['keks'] > 0)
$_SESSION['keks']--;
if($_POST['cat_plus'] != "")
$_SESSION['cat']++;
if($_POST['cat_minus'] != ""&& $_SESSION['cat'] > 0)
$_SESSION['cat']--;
if($_POST['tee_plus'] != "")
$_SESSION['tee']++;
if($_POST['tee_minus'] != "" && $_SESSION['tee'] > 0)
$_SESSION['tee']--;
if($_POST['leer'] != ""){
session_destroy();
$_SESSION=array();
setcookie('knoppers_shop', "", time() - 3600, '/');
}
?>
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